CRUCIAL Synonyms: 23 Similar and Opposite Words

Q: How does the adjective 'crucial' contrast with its synonyms?

The words acute and critical are common synonyms of crucial . While all three words mean "of uncertain outcome," crucial suggests a dividing of the ways and often a test or trial involving the determination of a future course or direction. // a crucial vote

Q: Where would 'acute' be a reasonable alternative to 'crucial'?

While the synonyms acute and crucial are close in meaning, acute stresses intensification of conditions leading to a culmination or breaking point. // an acute housing shortage

Q: How are the words 'critical' and 'acute' related as synonyms of 'crucial'?

Critical adds to acute implications of imminent change, of attendant suspense, and of decisiveness in the outcome. // the war has entered a critical phase

crucial

adjective

ˈkrü-shəl

Definition of crucial

as in key

of the greatest possible importance water is crucial to our survival

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How does the adjective crucial contrast with its synonyms?

The words acute and critical are common synonyms of crucial. While all three words mean "of uncertain outcome," crucial suggests a dividing of the ways and often a test or trial involving the determination of a future course or direction.

a crucial vote

Where would acute be a reasonable alternative to crucial?

While the synonyms acute and crucial are close in meaning, acute stresses intensification of conditions leading to a culmination or breaking point.

an acute housing shortage

How are the words critical and acute related as synonyms of crucial?

Critical adds to acute implications of imminent change, of attendant suspense, and of decisiveness in the outcome.

the war has entered a critical phase

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of crucial The count is the first of two crucial, bottom line-affecting enrollment calculations during the school year; the second takes place in February. — Austin Horn, Miami Herald, 23 Oct. 2026 Casting Skarsgård was crucial in making Wicker Husband yearnable, but so was the art of special-effects makeup. — Kirbie Johnson, Allure, 23 Oct. 2026 But more crucial was the American nuclear umbrella, which spared countries such as Germany, Japan and South Korea the need to develop their own bombs. — Fareed Zakaria, Washington Post, 23 Oct. 2026 The incident comes just days before a crucial election that will decide whether Netanyahu can hold on to power. — Chantal Da Silva, NBC news, 23 Oct. 2026 See All Example Sentences for crucial

Recent Examples of Synonyms for crucial

Adjective

The election process was marred by allegations of voter suppression, with Lula's campaign reporting suspended public transportation in some key areas, prompting the court to extend voting by two hours.

— Anniek Bao, CNBC, 26 Oct. 2026
Cooper has led wire-to-wire over Republican opponent Michael Whatley, maintaining wide polling and fundraising leads and forcing key GOP super PACs to pause spending in the race to focus elsewhere.

— Mabinty Quarshie, The Washington Examiner, 26 Oct. 2026

Definition of key

Adjective

Key Takeaways These artificial channels are up to five times more selective for lithium, offering a simpler way to extract the critical battery material.

— Neetika Walter, Interesting Engineering, 28 Oct. 2026
Seeking to acquire as wide a tent of support as possible, Student List purposefully left its position on most critical issues outside of corruption vague and noncommittal.

— Brady Knox, The Washington Examiner, 27 Oct. 2026

Definition of critical

Adjective

The incumbent senator acknowledged in a recent interview that the president’s visits to Kansas were vital to his reelection campaign.

— Kacen Bayless, Kansas City Star, 27 Oct. 2026
Russia is committing war crimes and crimes against humanity by intentionally attacking civilian infrastructure – including vital energy systems – in Ukraine, an independent UN investigations panel said on Monday.

— Ivana Kottasová, CNN Money, 26 Oct. 2026

Definition of vital

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crows

crucial

crucible

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“Crucial.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/crucial. Accessed 30 Oct. 2026.

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Synonyms of crucial

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